importthreadingfrompathlibimportPathimporttimeimportnumpyasnpimportmatplotlib.figureasmfiguretarget=Path("/tmp/p_test")target.mkdir(parents=True,exist_ok=True)ω=2N=1024*10N_threads=70defgen_frames(steps):fig=mfigure.Figure(layout="constrained")ax=fig.subplots()ax.set_xlim(0,2*np.pi)ax.set_ylim(-1.1,1.1)# ax.axis("off")x=np.linspace(0,2*np.pi,1024*10)    (ln,)=ax.plot(x,np.ones_like(x))fr_ann=ax.annotate("step:        ",        (1,1),xytext=(-1,-5),xycoords="axes fraction",textcoords="offset points",ha="right",va="top",font="hack",visible=True,    )φ_ann=ax.annotate("φ:        ",        (1,0),xytext=(0,-5),xycoords=fr_ann,textcoords="offset points",ha="right",va="top",font="hack",visible=True,    )forstepinsteps:φ=2*np.pi*step/1024y=np.sin(x*ω+φ)ln.set_data(x,y)fr_ann.set_text(f"n:{step: 5d}")φ_ann.set_text(f"φ:{φ:.4f}")fig.savefig(target/f"sin_{step:05d}.png")threads= []forjinrange(N_threads):threads.append(threading.Thread(target=gen_frames,args=(range(j,N,N_threads),)))start=time.monotonic()[t.start()fortinthreads][t.join()fortinthreads]stop=time.monotonic()print(f"Took{stop-start:.2f} for{N} frames with{N_threads} threads")